Symposium Program Wednesday, September 4 12.00 – 17.30 Registration Turku Technology Centre, BioCity Building, Mauno Koivisto Centre Opening session 17.30 – 17.40 17.40 – 18.40 Mikael Skurnik Elisabeth Carniel Opening of the Symposium Opening Lecture: Evolution of pathogenic Yersinia, some lights in the dark 19.30 – 21.30 City Reception The Great Hall of Turku Academy House Deputy Mayor Kaija Hartiala 1 Thursday, September 5 Yersinia Genomics 8.30 – 9.20 9.20 – 9.50 Brendan Wren Julian Parkhill 9.50 – 10.10 10.10 – 10.20 10.20 – 10.50 10.50 – 11.20 Victoria L. Taylor 11.20 – 11.50 Andrey Karlyshev 11.50 – 12.20 Michel Simonet 12.20 – 12.40 12.40 – 13.00 Alexander Rakin Azuka Iwobi Emilio Garcia 13.00 – 14.15 Chairs: Elisabeth Carniel and Brendan Wren The Yersinia genome recipe - add DNA, stir and reduce Genome sequencing and comparison of Yersinia pestis and Yersinia enterocolitica DNA adenine methylation Message from FEMS Coffee break Investigating the evolutionary relationship between Yersinia pseudotuberculosis and Yersinia pestis through whole-genome comparative sequencing Investigation of Yersinia using DNA microarray-based STM: identification of new virulence factors as potential targets for research and vaccine development Yersinia pseudotuberculosis harbors a type IV pilus gene cluster that contributes to pathogenicity Tracing acquisitions and losses in Yersinia genomes Subtractive hybridization uncovers novel pathogenicityassociated loci in Y. enterocolitica Lunch Pathogenesis and Host Interactions I 14.15 – 15.05 15.05 – 15.35 15.35 – 16.05 16.05 – 16.35 Guy Cornelis Susan Straley 16.35 –16.55 Anton Zavialov 16.55 – 17.15 Feng Shao 17.15 – 17.35 Heli Nummelin 17.45 – 21.00 Jürgen Heesemann Chairs: Guy Cornelis and Susan Straley The Y. enterocolitica anti-host type III machineries YopM of Yersinia pestis Coffee break Pathogenicity of Yersinia beyond Yops: extracellular defense and fitness factors Crystal structure of the Caf1M:Caf1 chaperone-subunit complex from Yersinia pestis The Yersinia Effector YopT is a Cysteine protease cleaving the post-translationally modified Rho GtPases Structural studies of a collagen binding fragment of Yersinia adhensin YadA Poster session with wine and cheese 2 Friday, September 6 Lipopolysaccharide, Bacteriophages & Cell Wall Function Chairs: Peter Reeves and Mikael Skurnik 8.30 – 9.20 Mikael Skurnik 9.20 – 9.50 9.50 – 10.20 10.20 – 10.50 10.50 – 11.20 11.20 – 11.50 Otto Holst Peter Reeves Maria Pajunen Michael Marceau 12.00 – 13.00 13.00 – 14.15 Molecular genetics, biochemistry and biological role of Yersinia lipopolysaccharide Lipopolysaccharides of Yersinia. An overview O antigen gene clusters in Y. pseudotuberculosis Coffee break Yersiniophages: Special reference to øYeO3-12 Function and regulation of the Salmonella-like pmrF antimicrobial peptide resistance operon in Yersinia pseudotuberculosis and Yersinia pestis Posters Lunch Gene Regulation 14.15 – 15.05 Virginia Miller 15.05 – 15.35 15.35 – 16.05 José Antonio Bengoechea Robert Perry 16.05 – 16.35 Steve Atkinson 16.35 – 16.55 16.55 – 17.15 Åke Forsberg Chairs: Virginia Miller and Jose Antonio Bengoechea The link between a Yersinia-transcriptional regulator and the host response Regulation of O-antigen biosynthesis in Yersinia enterocolitica Intracellular growth of Yersinia pestis in J774.1 cells requires the Hmu heme/hemoprotein transport system but not inorganic iron transport systems Swimming motility in Yersinia pseudotuberculosis is regulated by a complex temperature-dependent two component quorum sensing system involving class I and class II flagella genes Coffee break Common virulence strategies of Yersinia spp and Pseudomonas aeruginosa Molecular Epidemiology of Yersinia 17.15 – 17.45 Chair: Hannu Korkeala Molecular epidemiology of Yersinia enterocolitica 4/O:3 17.45 – 18.00 Maria FredrikssonAhomaa Saija Hallanvuo 18.00 – 18.15 Truls Nesbakken 18.15-18.45 Hannu Laaksonen Molecular epidemiology of the five recent outbreaks of Yersinia pseudotuberculosis in Finland Occurrence of Yersinia enterocolitica in slaughter pigs and consequences for meat inspection, slaughtering and dressing procedures Plague epidemics in Turku, a historian’s view 20.00 – 24.00 Blues session Brewery restaurant Koulu “The School” The Ilkka Helander Co. 3 Saturday, September 7 Pathogenesis and Host Interactions II 8.30 – 9.20 9.20 – 9.50 9.50 – 10.20 10.20 – 10.50 10.50 – 11.20 Hans Wolf-Watz Ingo Autenrieth Martin Aepfelbacher 11.20 - 11.40 Gregory V. Plano 11.40 – 12.00 Mikael Elofsson James Bliska 12.00 – 13.00 13.00 – 14.15 Chairs: Hans Wolf-Watz and Kaisa Granfors Interaction between Yersinia and its target cell Enteric Yersinia spp. at mucosal surfaces Rho GTP binding proteins in Yersinia target cell interaction Coffee break Modulation of host signaling pathways by Yersinia Yop proteins Isolation and characterization of Yersinia pestis YopN mutants that constitutively block Yop secretion Targeting bacterial virulence: Inhibitors of type III secretion in Yersinia Posters Lunch Clinical and Diagnostic Yersiniology and Vaccines 14.15 – 15.05 15.05 – 15.35 Richard Titball Holger Rüssman 15.35 – 16.05 16.05 – 16.35 Arthur Friedlander 16.35 – 17.05 17.05 – 17.35 Heinrich Neubauer Jeffrey Hoorfar 17.35 – 17.55 Jeffrey J. Adamovicz 19.30 – 24.00 Symposium Banquet Chairs: Paavo Toivanen and Richard Titball 2nd and 3rd generation plague vaccines Induction of T cellular immune responses against heterologous antigens by Yersinia’s type III secretion system Coffee break The humoral immune response to Yersinia outer proteins and other Yersinia pestis antigens in human plague cases Epidemiology and Diagnostics of Yersinia infections Food-PCR. An EU research project seeking to validate and standardize diagnostic PCR testing of food bone pathogens such as Yersinia enterocolitica Efficacy of the F1-V fusion protein vaccine in non-human primates Turku Castle - Medieval Dinner hosted by Duke John 4 Sunday, September 8 Pathogenesis and Host Interactions III 8.30 – 9.00 Joe Hinnebusch 9.00 – 9.30 9.30 – 9.50 Kaisa Granfors Jon D. Goguen 9.50 – 10.10 Peter H. Dube 10.10 – 10.30 Françoise Guinet 10.30 – 11.00 11.00 – 11.20 Vladimir P. Zav'yalov 11.20 – 12.20 Robert Brubaker 12.20 – 12.30 12.30 – 13.30 Mikael Skurnik Chairs: Jürgen Heesemann and Åke Forsberg How did arthropod-borne transmission evolve in Yersinia pestis? Host-microbe interaction in reactive arthritis Plasminogen and fibrinogen control neutrophil responses in plague IL-6 plays a protective role during Yersinia enterocolitica infection Comparison of Y. pestis and Y. pseudotuberculosis physiopathology by the intradermal route Coffee break Role of F1 and pH6 non-pilus adhesins in pathogenesis of plague Closing lecture: From Physiology to Genetics to Genomics to Physiology Closing the Symposium Lunch and departure 5